For the years ended December 31, 2011, 2010 and 2009. Amounts expressed in millions of U.S. dollars ($) and in millions of Mexican pesos (Ps.).
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14 Balances and Transactions in Foreign Currencies
According to NIF B-15, assets, liabilities and transactions denominated in foreign currencies are those realized in a currency different than the recording, functional or reporting currency of each reporting unit. As of the end of and for the years ended December 31, 2011 and 2010, assets, liabilities and transactions denominated in foreign currencies, expressed in Mexican pesos are as follows:
As of March 12, 2012, approval date of these consolidated financial statements, the exchange rate published by "Banco de México" was Ps. 12.7840 Mexican pesos per one U.S. Dollar, and the foreign currency position was similar to that as of December 31, 2011.